feat: Add support for compose devices mappings (#250)

* feat: Add support for compose `devices` mappings

https://docs.docker.com/reference/compose-file/services/#devices
```
services:
  foo:
    devices:
      - "/dev/ttyUSB0:/dev/ttyUSB0"
      - "/dev/sda:/dev/xvda:rwm"
```

* Lint fix

pkg/api/resources.go

@@ -17,6 +17,8 @@ type ContainerResources struct {
 	// MemoryReservation is the minimum amount of memory (in bytes) the container needs to run efficiently.
 	// TODO: implement a placement constraint that checks available memory on machines.
 	MemoryReservation int64
+	// Device mappings for direct access to host devices
+	DeviceMappings []container.DeviceMapping
 	// Device reservations/requests for access to things like GPUs
 	DeviceReservations []container.DeviceRequest
 	// Ulimits defines the resource limits for the container.